The Chinese manufacturer said its TOPCon-compatible hybrid back-contact solar cell achieved a power conversion efficiency of 28.0%. The result was confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH…
https://www.pv-magazine.com/2026/04/27/trina-solar-claims-worlds-highest-efficiency-for-silicon-solar-cells-with-28-0-efficient-device/
